Compression Performance and Calculation Method of Thin-Walled Prefabricated Steel Tube Lightweight Concrete Columns

Table 8

Comparison of ultimate bearing capacity.

Specimen no	FEM results N1 (kN)	Test results N2 (kN)	N1/N2
Z120-2.2-20	364.96	392.67	0.93
Z120-3.0-20	444.66	503.50	0.88
Z120-2.2-25	420.44	453.83	0.93
Z120-3.0-25	453.22	514.81	0.88
Z120-2.2-30	445.01	499.17	0.89
Z120-3.0-30	508.98	556.67	0.91
Z200-2.2-20	754.63	819.00	0.92
Z200-3.0-20	767.00	843.33	0.91
Z120-2.2-25	760.77	838.83	0.91
Z120-3.0-25	850.67	916.00	0.93
Z120-2.2-30	779.79	855.01	0.91
Z120-3.0-30	835.48	936.67	0.89